Compilare: main.cpp: In function 'int main()': main.cpp:17:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp:26:6: warning: statement has no effect [-Wunused-value] 26 | p%666013; | ~^~~~~~~ main.cpp:30:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for(int i=1;i<=s.size();i++) | ~^~~~~~~~~~ main.cpp:35:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for(int i=1;i<=s.size()-n;i++) | ~^~~~~~~~~~~~